html5自定义遮罩的实现代码分享

(function($){

    var container = null;

    var html =  "<div class='ys-loading'><em></em></div>";

    function render(){

        container = $(html).appendTo("body");

    }

    var initialized = false;

    function init(){

        if(initialized){

            return;

        }

        initialized = true;

        render();

    }

    var LoadingWidget = {

        showLoading:function(){

            init();

            container.show();

        },

        hideLoading:function(){

            container.hide();

        }

    };

    window.LoadingWidget = LoadingWidget;

})(jQuery);